第八章 鏈輪
DESCRIPTION
第八章 鏈輪. 學習目標 1. 瞭解鏈條傳動之優缺點及使用注意事項。 2. 知悉鏈條的種類及構造並能選用適合之鏈條傳動。 3. 熟練鏈輪速比之計算。. 8-1 鏈條傳動. 鏈條傳動是兩輪軸間動力傳達的主要方式之一。當兩輪軸間距離太遠不適合齒輪傳動，且速比需要絕對精確時。以鏈條傳動最為適宜。如圖 8-1 所示。. 動畫 8-1. 圖 8-1 鏈條傳動. - PowerPoint PPT PresentationTRANSCRIPT
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1. 2. 3.
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8-1 8-18-1 8-1
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(chain)(Sprocket)
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1.(1) (2) (3) (4) 2.(1) (2) (3) (4)
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1.7:12.20503.1204.5.42(1) (2) 1(3) (4)
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6.7.48.9.10.8-2
8-2 8-2b-18-2b-28-2a-18-2a-2
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1.2.3.
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8-2
(hoisting chain) (conveyor chain) (power transmission chain)
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8-2.1 (plain link chain)(stud link chain)
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(coil chain)8-38-48-3 8-4
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8-58-5
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(drum)(8-6) (8-7)8-6 8-7
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8-2.2 (hook joint chain) (closed joint chain)
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8-88-8
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(closed-end pintle chain)8-9(a)8-9(b)8-9
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8-2.3 (block chain) (roller chain) (silent chain)
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8-10250-2708-10
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8-11(a)(97)1200/900/8-11 (b)8-11(c) 8-11 (b)
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(inverted tooth chain)
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(timing chain)
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(1)(Renold)(Hans Renold)8-12Cab8-12(a)8-12(b)8-12 8-12a8-12b
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(2)(Morse)8-13aba(seat pin)b(rockerr pin)cdcdab8-13
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8-3 PVT1T2N1N2
(8-1)
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1203:1120(chordal action)
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8-14(a)4rpmVmax=2r nVmin=2rs n2n(rrs)(rrs) r P()
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(8-2)
(8-3)
(8-4) 8-14
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8-14(b)(a)5(b)2412(a)(b)(b)()
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8-4 8-5
DdC
1
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[1]1.5204040(a)(b)(c)
[](1) (2) () () 125.551.583.7 => 84 (3) L1.5 84126